42539077688 has 16 divisors (see below), whose sum is σ = 79959681360. Its totient is φ = 21216496000.

The previous prime is 42539077657. The next prime is 42539077699. The reversal of 42539077688 is 88677093524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626948 + ... + 6633363.

It is an arithmetic number, because the mean of its divisors is an integer number (4997480085).

Almost surely, 2^42539077688 is an apocalyptic number.

It is an amenable number.

42539077688 is a deficient number, since it is larger than the sum of its proper divisors (37420603672).

42539077688 is a wasteful number, since it uses less digits than its factorization.

42539077688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13260718 (or 13260714 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 42539077688 in words is "forty-two billion, five hundred thirty-nine million, seventy-seven thousand, six hundred eighty-eight".